﻿namespace Mp3Observer.Common.Converter
{
    #region usings

    using System;
    using System.Windows;
    using System.Windows.Data;

    #endregion

    /// <summary>
    /// Converts Boolean into Visibility (true=>Visible; false => Collapsed)
    /// </summary>
    [ValueConversion(typeof(bool), typeof(Visibility))]
    public sealed class BooleanToVisibilityConverter : IValueConverter
    {
        /// <summary>
        /// Converts Boolean into <see cref="Visibility"/> (true => Visible, false => Collapsed)
        /// </summary>
        /// <param name="value">The value produced by the binding source.</param>
        /// <param name="targetType">The type of the binding target property.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// if true Visibility.Visible, otherweise Visibility.Collapsed
        /// </returns>
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            // bool result = false;
            // Boolean.TryParse(value.ToString(), out result);
            if ((bool)value)
                return Visibility.Visible;
            else
                return Visibility.Collapsed;
        }

        /// <summary>
        /// Not Implemented.
        /// </summary>
        /// <param name="value">The value that is produced by the binding target.</param>
        /// <param name="targetType">The type to convert to.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        /// <exception cref="NotImplementedException" />
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}
